STM8S903K3U3 STMicroelectronics, STM8S903K3U3 Datasheet - Page 105

• Manufacturer Part Number: STM8S903K3U3
• Description: IC MCU 8BIT 8KB FLASH 32UFQFPN
• Manufacturer: STMicroelectronics
• Series: STM8Sr

Specifications of STM8S903K3U3

• Featured Product: STM32 Cortex-M3 Companion Products
• Core Processor: STM8
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 28
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 640 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.95 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: *
• Core: STM8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STM8S903K3 STM8S903F3
AFR0, AFR1
(check only one option)
AFR2
(check only one option)
AFR3
(check only one option)
AFR4
(check only one option)
AFR5
(check only one option)
AFR6
(check only one option)
AFR7
(check only one option)
DocID15590 Rev 5
[ ] 00: Remapping options inactive. Default alternate
functions used. Refer to pinout description.
[ ] 10: Port PC5 alternate function = TIM5_CH1,
port PC6 alternate function = TIM1_CH1, and port
PC7 alternate function = TIM1_CH2.
[ ] 01: Port PA3 alternate function = SPI_NSS and
port PD2 alternate function = TIM5_CH3.
[ ] 11: Port PD2 alternate function = TIM5_CH3,
port PC5 alternate function = TIM5_CH1, port PC6
alternate function = TIM1_CH1, port PC7 alternate
function = TIM1_CH2, port PC2 alternate function
= TIM1_CH3N, port PC1 alternate function =
TIM1_CH2N, port PE5 alternate function =
TIM1_CH1N, port PA3 alternate function =
UART1_TX, and port PF4 alternate function =
UART1_RX.
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port C4 alternate function = AIN2, port D2
alternate function = AIN3, port D4 alternate function
= UART1_CK.
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port C3 alternate function = TLI.
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port B4 alternate function = ADC_ETR, port
P5 alternate function = TIM1_BKIN.
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port D0 alternate function = CLK_CCO.
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port D7 alternate function = TIM1_CH4.
[ ] 0: Remapping option inactive. Default alternate
functions used. Refer to pinout description.
[ ] 1: Port C3 alternate function = TIM1_CH1N, port
C4 alternate function = TIM1_CH2N.
Ordering information
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